Update app.py

app.py

@@ -29,7 +29,7 @@ index = faiss.read_index("index.faiss")
 embedding_model = SentenceTransformer("sentence-transformers/paraphrase-multilingual-mpnet-base-v2")
 
 # Load Jais model and tokenizer
-model_name = "inceptionai/jais-13b"
+model_name = "aubmindlab/aragpt2-base"
 tokenizer = AutoTokenizer.from_pretrained(model_name, token=HF_TOKEN, trust_remote_code=True)
 model = AutoModelForCausalLM.from_pretrained(model_name, token=HF_TOKEN, trust_remote_code=True)